Garmin GBR 23 - Manual (Page 21)

19
Reference
Physical
Size: 4.6”W x 5.3”H
(117mm x 135mm)
Weight: 23.9 ounces (0.678 kg)
Operating Range: -68°F to +158°F
(-20°C to +70°C)
Waterproof: -1 meter submersion for 30 minutes
IPX7 rating for IEC529
Mount Thread Size: 1” diameter at 14 threads/inch
Power
Voltage: 8 - 35 vDC using supplied
power/data cable. Surge and reverse
polarity protected for up to 80 vDC.
Current Drain: 95 mA @ 12 vDc
Signal Processing
Frequency Range: 283.5 - 325.0 kHz @ 0.5kHz
Data Rates: 200/100/50/25 BPS
Auto Tuning: All 200 & 100 BPS Channels
Minimum Signal: 10 µV
Data Processing
Demodulation: MSK (Minimum Shift Keying)
MSK Bit Rates: 25, 50, 100, 200 bps
Interfaces
Input: RS-232 or NMEA 0183, 4800 baud
Input Sentences: Binary
$PSLIB
$--MSK
Output: RS-232 4800 baud
Output Sentence: RTCM SC-104
(6 of 8 bit format)
GBR 23
Specifications
Complete information concerning
NMEA & RTCM formats and
sentences is available for
purchase at:
National Marine Electronics
Association (NMEA)
PO Box 3435
New Bern, NC 28564-3435
USA
252-638-2626
252-638-4885 FAX.
www.nmea.org
Radio Technical Commission For
Maritime Services (RTCM)
1800 Diagonal Road, Suite 600
Alexandria, VA 22314-2480,
USA
703-684-4481 (Info Only)
703-836-4229 FAX
www.rtcm.org
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GBR 23 Manual.p65 5/23/00, 1:28 PM 19